20175858

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{8689}}^1$

素因数の和:8743

約数の個数: 32

約数和(自身を含む): 45883200

約数和(自身を除く): 25707342

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 8689, 17378, 26067, 52134, 78201, 156402, 234603, 373627, 469206, 747254, 1120881, 2241762, 3362643, 6725286, 10087929, 20175858]

約数ペア:

[(1, 20175858), (2, 10087929), (3, 6725286), (6, 3362643), (9, 2241762), (18, 1120881), (27, 747254), (43, 469206), (54, 373627), (86, 234603), (129, 156402), (258, 78201), (387, 52134), (774, 26067), (1161, 17378), (2322, 8689)]